🧐 What is isailgps : noaa usa rnc charts and How does it work?
Unleash the navigation potential of your iPhone or iPad with SailGPS! Turn your device into a high-performance GPS receiver with USA NOAA Raster Nautical Charts, even without a cell signal! Rated “Best Choice — Excellent” by Practical-Sailor.com Caught in a storm on the water and your chart plotter fails? Don't worry! Download this app now and regain full navigation capabilities to safely return to port. Better yet, buy iSailGPS today ensuring you're prepared for any situation, even in areas with no cell service. iSailGPS eliminates sign-ups, ads, subscriptions and in-app purchases, making it more affordable, hassle-free & respectful of your privacy. Unrivaled Features to Enhance Your Journey: TRACKS, WAYPOINTS & ROUTES Record tracks as you sail, even in the background. View them on the chart and in a Speed & Course Over Ground graph. Mark waypoints precisely using topo or satellite maps, place names or addresses, geotagged photos, or by projecting from a known point. Set a quick GoTo waypoint or a full route and see the course (COG), heading (HDG), bearing (BRG), direction, distance, cross track error (XTE), Velocity Made Good (VMG) and Estimated Time of Arrival (ETA) at your destination and intermediate points. Perfect for racing enthusiasts. In a Man Overboard (MOB) emergency a single button press marks your current position & starts navigating to it. Create customized routes using waypoints, recorded tracks, or imported GPX, KML or TCX files. Advanced route editing. Send GPX and KML waypoint, route, track and map list files via AirDrop, eMail, Messages, or iCloud Drive. View the sun & moon position, rise times & set times for any date & place on earth. Send data to other apps such as Google Earth. USA NOAA RASTER NAUTICAL CHARTS Access to all NOAA RNC Charts for USA waters with no extra charge. Download using WiFi or cell service. Our chart files are optimized to download faster & use less storage memory. Store up to 2200 charts to use anytime at sea without cell service. Stitches charts & automatically switches between downloaded charts as you sail. Choose detailed or overview charts. Print & Share chart images overlaid with waypoints, routes & tracks. Measure distance & direction between any 2 points. NOAA charts don't include most inland rivers & small lakes. Use our iHikeGPS app for these. HOW TOS Tap Help in the app. Online Manual: isailgps.com Email developer: lwjames@isailgps.com RASTER CHARTS VS. VECTOR CHARTS The National Oceanic & Atmospheric Administration provides both RNC (raster) & ENC (vector) charts. The great advantage of the high resolution RNC charts used by iSailGPS is the high level of detail produced by professional cartographers that is unobtainable on any vector-based chart. ENC Vector Charts only show a coastline, water depth, navigation aids & minimal details. These RNC Charts differ from vector charts in that each chart covers a specific area, just as paper nautical charts do. Switches automatically to a new chart when your boat leaves the area covered by the previous chart. For most locations, there are multiple charts at different scales with different levels of detail & areas of coverage. Paper charts can have multiple panels, each showing a different area or scale. Each digital panel is individually displayed by iSailGPS with a north-up orientation. Other more expensive marine software uses these same RNC charts. iSail GPS is priced to make it readily available to all boating enthusiasts. DEVICE REQUIREMENTS Use iSailGPS on any iOS device even if you don't have a cellular data plan for it. iPhones & WiFi+cellular iPads support full navigation. For WiFi-only iPads & iPod touch, an iOS-compatible external GPS receiver is required to show your location on the water & record tracks. However, you can view charts using the iOS device alone. Winner of the Practical Sailor Editors’ Choice Award. Discover a safer and more enjoyable sailing experience with iSailGPS!
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